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Print - MD5 (Message-Digest Algorithm) - JavaScriptBank.com

Full version: jsB@nk » Security » Encryption » MD5 (Message-Digest Algorithm)
URL: http://www.javascriptbank.com/md5-message-digest-algorithm.html

MD5 (Message-Digest Algorithm) © JavaScriptBank.comThis script is used to process a variable length message into a fixed-length output of 128 bits using the MD5 algorithm. It is fully compatible with UTF-8 encoding. It is very useful when you want to transfer encrypted passwords over the Internet.

Full version: jsB@nk » Security » Encryption » MD5 (Message-Digest Algorithm)
URL: http://www.javascriptbank.com/md5-message-digest-algorithm.html



JavaScript
<script type="text/javascript">// Created by: Justas | http://www.webtoolkit.info/var MD5 = function (string) {  function RotateLeft(lValue, iShiftBits) {    return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));  }  function AddUnsigned(lX,lY) {    var lX4,lY4,lX8,lY8,lResult;    lX8 = (lX & 0x80000000);    lY8 = (lY & 0x80000000);    lX4 = (lX & 0x40000000);    lY4 = (lY & 0x40000000);    lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);    if (lX4 & lY4) {      return (lResult ^ 0x80000000 ^ lX8 ^ lY8);    }    if (lX4 | lY4) {      if (lResult & 0x40000000) {        return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);      } else {        return (lResult ^ 0x40000000 ^ lX8 ^ lY8);      }    } else {      return (lResult ^ lX8 ^ lY8);    }  }  function F(x,y,z) { return (x & y) | ((~x) & z); }  function G(x,y,z) { return (x & z) | (y & (~z)); }  function H(x,y,z) { return (x ^ y ^ z); }  function I(x,y,z) { return (y ^ (x | (~z))); }  function FF(a,b,c,d,x,s,ac) {    a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));    return AddUnsigned(RotateLeft(a, s), b);  };  function GG(a,b,c,d,x,s,ac) {    a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));    return AddUnsigned(RotateLeft(a, s), b);  };  function HH(a,b,c,d,x,s,ac) {    a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));    return AddUnsigned(RotateLeft(a, s), b);  };  function II(a,b,c,d,x,s,ac) {    a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));    return AddUnsigned(RotateLeft(a, s), b);  };  function ConvertToWordArray(string) {    var lWordCount;    var lMessageLength = string.length;    var lNumberOfWords_temp1=lMessageLength + 8;    var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;    var lNumberOfWords = (lNumberOfWords_temp2+1)*16;    var lWordArray=Array(lNumberOfWords-1);    var lBytePosition = 0;    var lByteCount = 0;    while ( lByteCount < lMessageLength ) {      lWordCount = (lByteCount-(lByteCount % 4))/4;      lBytePosition = (lByteCount % 4)*8;      lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));      lByteCount++;    }    lWordCount = (lByteCount-(lByteCount % 4))/4;    lBytePosition = (lByteCount % 4)*8;    lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);    lWordArray[lNumberOfWords-2] = lMessageLength<<3;    lWordArray[lNumberOfWords-1] = lMessageLength>>>29;    return lWordArray;  };  function WordToHex(lValue) {    var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;    for (lCount = 0;lCount<=3;lCount++) {      lByte = (lValue>>>(lCount*8)) & 255;      WordToHexValue_temp = "0" + lByte.toString(16);      WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);    }    return WordToHexValue;  };  function Utf8Encode(string) {    string = string.replace(/rn/g,"n");    var utftext = "";    for (var n = 0; n < string.length; n++) {      var c = string.charCodeAt(n);      if (c < 128) {        utftext += String.fromCharCode(c);      }      else if((c > 127) && (c < 2048)) {        utftext += String.fromCharCode((c >> 6) | 192);        utftext += String.fromCharCode((c & 63) | 128);      }      else {        utftext += String.fromCharCode((c >> 12) | 224);        utftext += String.fromCharCode(((c >> 6) & 63) | 128);        utftext += String.fromCharCode((c & 63) | 128);      }    }    return utftext;  };  var x=Array();  var k,AA,BB,CC,DD,a,b,c,d;  var S11=7, S12=12, S13=17, S14=22;  var S21=5, S22=9 , S23=14, S24=20;  var S31=4, S32=11, S33=16, S34=23;  var S41=6, S42=10, S43=15, S44=21;  string = Utf8Encode(string);  x = ConvertToWordArray(string);  a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;  for (k=0;k<x.length;k+=16) {    AA=a; BB=b; CC=c; DD=d;    a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);    d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);    c=FF(c,d,a,b,x[k+2], S13,0x242070DB);    b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);    a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);    d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);    c=FF(c,d,a,b,x[k+6], S13,0xA8304613);    b=FF(b,c,d,a,x[k+7], S14,0xFD469501);    a=FF(a,b,c,d,x[k+8], S11,0x698098D8);    d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);    c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);    b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);    a=FF(a,b,c,d,x[k+12],S11,0x6B901122);    d=FF(d,a,b,c,x[k+13],S12,0xFD987193);    c=FF(c,d,a,b,x[k+14],S13,0xA679438E);    b=FF(b,c,d,a,x[k+15],S14,0x49B40821);    a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);    d=GG(d,a,b,c,x[k+6], S22,0xC040B340);    c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);    b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);    a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);    d=GG(d,a,b,c,x[k+10],S22,0x2441453);    c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);    b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);    a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);    d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);    c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);    b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);    a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);    d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);    c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);    b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);    a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);    d=HH(d,a,b,c,x[k+8], S32,0x8771F681);    c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);    b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);    a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);    d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);    c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);    b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);    a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);    d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);    c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);    b=HH(b,c,d,a,x[k+6], S34,0x4881D05);    a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);    d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);    c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);    b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);    a=II(a,b,c,d,x[k+0], S41,0xF4292244);    d=II(d,a,b,c,x[k+7], S42,0x432AFF97);    c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);    b=II(b,c,d,a,x[k+5], S44,0xFC93A039);    a=II(a,b,c,d,x[k+12],S41,0x655B59C3);    d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);    c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);    b=II(b,c,d,a,x[k+1], S44,0x85845DD1);    a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);    d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);    c=II(c,d,a,b,x[k+6], S43,0xA3014314);    b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);    a=II(a,b,c,d,x[k+4], S41,0xF7537E82);    d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);    c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);    b=II(b,c,d,a,x[k+9], S44,0xEB86D391);    a=AddUnsigned(a,AA);    b=AddUnsigned(b,BB);    c=AddUnsigned(c,CC);    d=AddUnsigned(d,DD);  }  var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);  return temp.toLowerCase();}</script>


HTML
<code>MD5('www.JavaScriptBank.com') : <script type="text/javascript">document.write( MD5('www.JavaScriptBank.com') );</script></code>